fix: use NEXT_PUBLIC_API_URL for GitHub login redirect

fix: correct frontend Dockerfile with ARG/ENV

fix: add ARG/ENV for build-time variables in frontend Dockerfile

fix: pass build args to frontend Docker build

fix: add production URL secrets

fix: pnpm workspace config in CI

fix: frontend CI build

fix: TypeScript strict mode and Prisma generate in CI

fix: add env vars to CI workflow

fix: update CI/CD workflows

feat: add GitHub Actions CI/CD

feat: add Docker, NGINX, Redis caching

feat: add public profiles and leaderboard

feat: add team DNA map

feat: add benchmarking page